Table 1.
Seasonal concentration of air pollutants
| Parameter | Location | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | Pre-M | Post-M | ||
| PM10 (μg/m3) | Average of 4 residential locations | 155.9 | 129.1 | 181.7 | 167.2 | 216.3 | 167.1 | 205.8 | 178.2 | 209.1 | 192.4 | 182.5 | 195.3 | 201.4 | 180.9 | 223.6 | 192.0 | 201.9 | 208.2 | 180.1 | 154.0 |
| PM2.5 (μg/m3) | 68.0 | 68.9 | 69.6 | 94.8 | 88.3 | 83.5 | 90.0 | 97.1 | 88.4 | 83.5 | 90.0 | 97.1 | 100.8 | 91.0 | 107.5 | 96.1 | 93.7 | 103.2 | 85.2 | 79.3 | |
| SO2 (μg/m3) | 12.4 | 16.0 | 14.9 | 26.2 | 15.5 | 20.3 | 19.2 | 14.0 | 18.0 | 16.0 | 13.2 | 18.3 | 12.0 | 17.0 | 11.1 | 13.1 | 8.7 | 10.6 | 7.0 | 9.3 | |
| NO2 (μg/m3) | 27.6 | 23.9 | 27.0 | 38.5 | 32.8 | 48.4 | 41.9 | 49.7 | 36.4 | 48.0 | 43.3 | 55.4 | 39.5 | 54.1 | 46.9 | 46.8 | 37.8 | 44.2 | 34.0 | 32.2 | |
| Pb (μg/m3) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Ni (ng/m3) | 14.8 | 16.0 | 21.9 | 8.6 | 13.9 | 45.8 | 14.9 | 10.2 | 43.3 | 31.5 | 17.1 | 17.5 | 37.3 | 47.9 | 41.1 | 15.3 | 8.8 | 13.9 | 3.1 | 19.4 | |
| PM10 (μg/m3) | Average of 4 commercial locations | 206.5 | 180.4 | 225.3 | 193.2 | 248.9 | 230.9 | 235.3 | 223.9 | 219.7 | 217.5 | 212.4 | 243.9 | 230.1 | 211.1 | 231.7 | 199.6 | 196.3 | 209.8 | 174.3 | 165.4 |
| PM2.5 (μg/m3) | 82.5 | 133.6 | 83.9 | 103.5 | 90.5 | 107.3 | 104.8 | 120.9 | 90.7 | 107.3 | 104.8 | 120.9 | 110.2 | 97.5 | 114.5 | 108.7 | 96.9 | 104.7 | 84.7 | 80.9 | |
| SO2 (μg/m3) | 14.0 | 19.3 | 16.8 | 31.4 | 19.6 | 22.6 | 21.1 | 17.4 | 20.3 | 18.5 | 14.6 | 21.9 | 13.4 | 21.3 | 11.8 | 14.3 | 10.3 | 10.8 | 8.1 | 11.0 | |
| NO2 (μg/m3) | 31.1 | 24.0 | 34.1 | 61.9 | 39.4 | 67.0 | 51.4 | 60.4 | 54.4 | 66.8 | 62.4 | 72.4 | 44.1 | 66.4 | 54.6 | 56.6 | 51.6 | 57.1 | 42.8 | 35.0 | |
| Pb (μg/m3) | 0.5 | 0.1 | 0.4 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 | 0.4 | 0.2 | 0.2 | 0.2 | 0.3 | 0.2 | 0.3 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Ni (ng/m3) | 17.5 | 26.5 | 21.0 | 11.8 | 14.6 | 41.3 | 19.1 | 14.7 | 38.8 | 37.8 | 33.1 | 20.4 | 42.4 | 60.0 | 45.9 | 21.8 | 10.5 | 17.8 | 6.4 | 12.2 | |
| PM10 (μg/m3) | Average of industrial location: Amausi | 160.9 | 156.5 | 163.0 | 145.0 | 227.2 | 217.9 | 224.3 | 226.9 | 217.3 | 186.6 | 199.4 | 214.2 | 238.3 | 212.9 | 210.1 | 203.1 | 196.9 | 223.3 | 189.2 | 153.7 |
| PM2.5 (μg/m3) | 66.0 | 136.0 | 67.6 | 90.0 | 87.0 | 85.2 | 96.9 | 114.3 | 87.1 | 85.2 | 96.9 | 114.3 | 111.3 | 99.6 | 106.3 | 94.4 | 89.4 | 107.7 | 79.8 | 80.1 | |
| SO2 (μg/m3) | 9.6 | 15.8 | 14.3 | 25.7 | 17.1 | 27.2 | 22.8 | 18.0 | 23.5 | 17.3 | 10.2 | 20.6 | 11.9 | 17.2 | 12.2 | 14.7 | 7.9 | 9.5 | 7.8 | 10.7 | |
| NO2 (μg/m3) | 37.6 | 22.4 | 29.0 | 48.8 | 46.8 | 48.3 | 55.9 | 49.9 | 39.6 | 70.6 | 54.4 | 75.5 | 45.3 | 55.6 | 47.6 | 41.3 | 41.7 | 50.5 | 29.8 | 49.7 | |
| Pb (μg/m3) | 1.0 | 0.1 | 0.4 | 0.1 | 0.1 | 0.2 | 0.8 | 0.5 | 0.2 | 0.1 | 0.1 | 0.2 | 0.1 | 0.2 | 0.5 | 0.1 | 0.1 | 0.2 | 0.1 | 0.1 | |
| Ni (ng/m3) | 7.4 | 10.9 | 15.7 | 4.9 | 12.1 | 41.0 | 23.7 | 14.8 | 41.0 | 20.0 | 17.8 | 18.3 | 36.9 | 98.9 | 46.8 | 52.3 | 9.5 | 16.8 | 2.4 | 4.7 | |
Pre-M pre monsoon, Post-M post monsoon